JSME Materials and Processing Conference (M&P)
Online ISSN : 2424-2861
10.1
会議情報
227 Injection Molding of Polystyrene Matrix Composites Filled with Vapor Grown Carbon Fiber
Kazuki EnomotoToshiyuki YasuharaKazunori KatoNaoto Ohtake
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会議録・要旨集 フリー

p. 511-516

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抄録
Vapor grown carbon fiber (VGCF) is a kind of carbon nanotube (CNT), which has outstanding properties such as high mechanical strength and electrical conductivity. We studied injection molding of VGCF reinforced polystyrene (PS) and evaluation of the mechanical and electrical properties comparing with the composites in which conventional carbon fillers were filled. As a result, the resistivity of the composites reinforced with VGCF drops significantly between 3 and 4 vol.% and after which it decreases linearly above 4 vol.%. The resistivity of the composites reinforced with VGCF is 1.2×(10)^2Ω・cm when the VGCF concentration is 11.6 vol.%. The resistivity is significantly lower than that of the composites which were reinforced with conventional carbon fillers. The elastic modulus slightly improves with increasing VGCF concentration, whereas the tensile strength is almost constant in the VGCF concentration range from 0 to 12 vol.%.
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© 2002 The Japan Society of Mechanical Engineers
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